CallingContextActionsGUI.java

Go to the documentation of this file.

package edu.rice.cs.hpc.viewer.scope;

import org.eclipse.jface.action.MenuManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.CoolBar;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.ui.IWorkbenchWindow;
import edu.rice.cs.hpc.data.experiment.scope.Scope;
import edu.rice.cs.hpc.viewer.graph.GraphMenu;
import edu.rice.cs.hpc.viewer.metric.ThreadLevelDataManager;
import edu.rice.cs.hpc.viewer.resources.Icons;

/*****************************************************
 * 
 * Action GUI for calling context view
 * 
 * This class will add a graph icon to show metrics graph of a scope
 *
 *****************************************************/
public class CallingContextActionsGUI extends ScopeViewActionsGUI {
    
    private GraphMenu graphMenuManager;
    
    private ToolItem tiGraph;

    public CallingContextActionsGUI(Shell objShell, IWorkbenchWindow window,
            Composite parent, CallingContextViewActions objActions) 
    {
        super(objShell, window, parent, objActions);
        
        graphMenuManager = new GraphMenu(window);
    }

    public Composite buildGUI(Composite parent, CoolBar coolbar) {
        Composite newParent = this.addTooBarAction(coolbar);
        this.finalizeToolBar(parent, coolbar);

        return newParent;
    }

    
    /*
     * (non-Javadoc)
     * @see edu.rice.cs.hpc.viewer.scope.ScopeViewActionsGUI#addTooBarAction(org.eclipse.swt.widgets.CoolBar)
     */
    protected Composite addTooBarAction(CoolBar parent)  {
        
        Composite c = super.addTooBarAction(parent);
         
        // prepare the toolbar
        final ToolBar toolbar = new ToolBar(parent, SWT.FLAT);

        final MenuManager mgr = new MenuManager("graph");

        // prepare the icon
        Image imgGraph = Icons.getImage(Icons.Image_Graph);
        
        // add an item into the toolbar
        tiGraph = new ToolItem(toolbar, SWT.DROP_DOWN);
        tiGraph.setImage(imgGraph);
        tiGraph.setToolTipText("Show the graph of metric values of the selected CCT node for all processes/threads");
        tiGraph.addListener(SWT.Selection, new Listener() {

            @Override
            public void handleEvent(Event event) {
                if (event.detail == SWT.ARROW || event.detail == 0 || event.detail == SWT.PUSH) {
                    Rectangle rect = tiGraph.getBounds();
                    Point pt = new Point(rect.x, rect.y + rect.height);
                    pt = toolbar.toDisplay(pt);

                    mgr.removeAll();
                    mgr.createContextMenu(toolbar);
                    
                    // create the context menu of graphs
                    graphMenuManager.createAdditionalContextMenu(mgr, database, getSelectedScope());
                    
                    // make the context menu appears next to tool item
                    final Menu menu = mgr.getMenu();
                    menu.setLocation(pt);
                    menu.setVisible(true);
                }
            }           
        });
        
        // associate the tool bar as a cool item
        createCoolItem(parent, toolbar);
        
        return c;
    }
    
    @Override
    /*
     * (non-Javadoc)
     * @see edu.rice.cs.hpc.viewer.scope.ScopeViewActionsGUI#enableActions()
     */
    public void enableActions() {
        if (database != null) {
            ThreadLevelDataManager tld_mgr = database.getThreadLevelDataManager();
            if (tld_mgr != null) {
                boolean available = tld_mgr.isDataAvailable();
                tiGraph.setEnabled(available);
                return;
            }
        }
        tiGraph.setEnabled(false);
    }
    
    private Scope getSelectedScope()
    {
        return objViewActions.getSelectedNode();
    }
}